Pride Plumbing was called out for no hot water from a 100-gallon Rheem-Ruud G100-200 commercial gas water heater. Our inspection found that a liquid tight flexible metal conduit (LFMC) had become wedged underneath the unit's vent hood on top of the water heater and was preventing the damper motor from being able to turn the baffle. We dislodged the LFMC and used zip ties to secure it out of the way so it couldn't get wedged again. We then relit the water heater and it began heating the water properly. We also provided cost estimates to replace the unit with new Navien tankless models both with and without NAVICIRC recirculation pumps.